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한호성,이상수,권지현 대한신경과학회 2006 대한신경과학회지 Vol.24 No.6
Varicella zoster virus (VZV) infection is a relatively common viral infection of the cranial nerves, especially the trigeminal and facial nerves. However, the involvement of the isolated vagus nerve has been rarely reported. We report a 65-year-old man with isolated vagus nerve palsy after a VZV infection. He presented with headache, dysphagia and hoarseness with sudden onset. He had vesicles localized on the concha of the right ear. The VZV IgG and IgM antibody titer in the serum was elevated.
Comparative Studies on Conducting Polymer-Based Two-Electrode Supercapacitors
한호성,조성훈 한국공업화학회 2019 한국공업화학회 연구논문 초록집 Vol.2019 No.1
Supercapacitors have attracted great attention by many researchers as next generation energy storage devices. Among them, many researches have been conducted on conducting polymer-based supercapacitors due to their unique advantages such as fast and reversible redox reaction and high specific capacitance. However, in order to apply the conducting polymer to the electrodes for the supercapacitor, it is necessary to overcome the low reliability of the conducting polymer due to the low mechanical strength and short life cycle. Therefore, in this study, nanomaterial composite electrodes based on conducting polymers, which can realize higher storage capacity and excellent cycle stability through the introduction of various materials, were prepared. These materials were applied to two-electrode symmetric and asymmetric supercapacitors, and the electrical and electrochemical properties of the fabricated devices were compared and analyzed.
한호성,조성훈 한국공업화학회 2019 한국공업화학회 연구논문 초록집 Vol.2019 No.0
This work describes solid-state asymmetric supercapacitors (ASCs), composed of aniline oligomers as a cathode, reduced graphene sheet as an anode and sealed with solid electrolyte. This research clarifies the synergetic effects on electrical and electrochemical performances resulting from of combination between aniline oligomers and waterdispersible graphene (WDG) sheet. The electrical and electrochemical properties of ASCs were highly dependent on the protonation levels of aniline oligomers including aniline tetramer, aniline trimer, and aniline dimer. The aniline tetramer with an appropriate chain length provided sufficient carrier transport within the cathode compared to the other oligomers. The ASC composed of aniline tetramer/WDG exhibited high areal capacitance (62.2 mF/cm2), volumetric capacitance (207.4 F/cm3), and good cycling stability (97.2% after 2000 cycles and 90.4% after 10000 cycles).